Want to get to know Windows 8 but don't have time to sit through a three-hour keynote? We cut today's Windows 8 demo down to the necessities so you can find out everything you really need to know in only eight minutes.

If you'd prefer some explanation and commentary with a full text rundown of the new stuff in Windows 8, check out our first look screenshot tour. Also, if you actually do want to see the entire keynote, Microsoft will post it online on the Windows Build web site in the near future. So keep an eye out if you get excited by long developer-centric lectures about operating systems. This one should meet your quota and then some.